1350-1809 - Adult Isla Catalina rattleless rattlesnake (Crotalus catalinensis) in its brown color variation, Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5653 - Ashy morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5655 - Brown morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-5654 - Ashy morph of the Santa Catalina rattlesnake (Crotalus catalinensis), endemic to Isla Santa Catalina, Baja California Sur, Mexico, North America
1311-269 - Rough road leading to the south rim of Rattlesnake Canyon southeast of Sedona in the Wet Beaver Wilderness, Arizona, United States of America, North America
1311-268 - The crumbling walls of ancient Indian Ruins along the south rim of Rattlesnake Canyon near the historic Chavez Trail, Arizona, United States of America, North America
1112-3175 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-3174 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-3173 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-2934 - Ash colored morph of the endemic rattleless rattlesnake (Crotalus catalinensis), Isla Santa Catalina, Baja California Sur, Mexico, North America
1112-2165 - Adult Isla Catalina rattleless rattlesnake (Crotalus catalinensis) in its brown color variation, Isla Santa Catalina, Baja California Sur, Mexico, North America
857-29727 - Shannon Black, silhouetted against the sky, rapells the overhanging face of Gibraltar Rock in Santa Barbara, California on January 18, 2003. The view looks south over Rattlesnake Canyon to the Pacific Ocean beyond. (Photo by Kevin Steele, Aurora)
857-29728 - Steve McNeil tends a Search and Rescue stretcher carrying John Siekowski while training on Gibraltar Rock in Santa Barbara, California on January 18, 2003. The two are volunteer members of Santa Barbara County Search and Rescue. The view looks south over Rattlesnake Canyon to the Pacific Ocean beyond. (Photo by Kevin Steele, Aurora)
857-7333 - Indian fancy dancers display flashes of brilliant color as they compete in a native American dance contest during the Rattlesnake Festival in Apache, Oklahoma.
979-5566 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5567 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5563 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5564 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5568 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5561 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5565 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5559 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5560 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
979-5562 - An adult Santa Catalina rattleless rattlesnake (Crotalus calalinensis) on the island of Santa Catalina in the Gulf of California (Sea of Cortez), Baja California Sur, Mexico
764-3109 - Prairie rattlesnake (Western rattlesnake) (Plains rattlesnake) (Crotalus viridis), Custer State Park, South Dakota, United States of America, North America
764-2621 - Hypomelanistic Western diamond-back rattlesnake (Western diamondback rattlesnake) (Crotalus atrox) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-2620 - Mojave rattlesnake (Mohave Rattlesnake) (Mojave Diamond Rattlesnake) (Desert Diamond Back) (Crotalus scutulatus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-2623 - Speckled rattlesnake (Crotalus mitchellii) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-2632 - Arizona black rattlesnake (Crotalus cerberus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-2622 - Speckled rattlesnake (Crotalus mitchellii) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-2627 - Speckled rattlesnake (Crotalus mitchellii) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
832-8149 - Western Diamondback Rattlesnake (Crotalus atrox), adult in defense pose among flowers in desert, Starr County, Rio Grande Valley, Texas, USA
764-2230 - Western diamond-back rattlesnake (Western diamondback Rattlesnake) (Crotalus atrox) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-1722 - Hypomelanistic Western Diamond-Back Rattlesnake (Western Diamondback Rattlesnake) (Crotalus atrox) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
764-1699 - Northern Mojave Rattlesnake (Crotalus scutulatus scutulatus) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America